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CITY OF EVERETT STORMWATER MANAGEMENT MANUAL <br />A <br />/2" Schedule 40 <br />1 M" schedule 40 for sprayers <br />20/o <br />Slope <br />5:1 <br />Slope <br />C5:1! <br />44 <br />!I <br />2% <br />I Slope <br />Il <br />(! <br />Slope <br />Wheel Wash Plan <br />1-16 16 <br />20' 16� 50' <br />Elevation View <br />Water level <br />1:1 Slope <br />r I 1 <br />Section A -A <br />N.T.S. <br />Notes: <br />1. Asphalt construction entrance 6 in. asphalt treated base. <br />2. 3-inch trash pump with floats on the suction hose. <br />3. Midpoint spray nozzles, if needed. <br />4. 6-inch sewer pipe with butterfly valves. Bottom one is a drain. Locate top pipe's invert 1 foot above bottom of wheel <br />wash. <br />5. 8 foot x 8 foot sump with 5 feet of catch. Build so can be cleaned with trackhoe. <br />6. Asphalt curb on the low road side to direct water back to pond. <br />7. 6-inch sleeve under road. <br />8. Ball valves. <br />9. 15 foot asphalt treated base apron to protect ground from splashing water. <br />Figure 3.1 Wheel Wash <br />Volume 11 — Construction Stormwater Pollution Prevention <br />3-7 <br />